PredicatesHandler (Undertow 2.1.0.Final API)

java.lang.Object
- io.undertow.predicate.PredicatesHandler

All Implemented Interfaces:

HttpHandler
```
public class PredicatesHandler
extends Object
implements HttpHandler
```
Handler that can deal with a large number of predicates. chaining together a large number of PredicatesHandler.Holder instances will make the stack grow to large, so this class is used that can deal with a large number of predicates.

Author:

Stuart Douglas

Nested Class Summary

Nested Classes
Modifier and Type	Class and Description
`static class`	`PredicatesHandler.DoneHandlerBuilder`
`static class`	`PredicatesHandler.RestartHandlerBuilder`
`static class`	`PredicatesHandler.Wrapper`

Field Summary

Fields
Modifier and Type Field and Description

static AttachmentKey<Boolean> DONE
static done marker.

static AttachmentKey<Boolean> RESTART

Fields
Modifier and Type	Field and Description
`static AttachmentKey<Boolean>`	`DONE` static done marker.
`static AttachmentKey<Boolean>`	`RESTART`

Constructor Summary

Constructors
Constructor and Description

PredicatesHandler(HttpHandler next)

PredicatesHandler(HttpHandler next, boolean outerHandler)

Constructors
Constructor and Description
`PredicatesHandler(HttpHandler next)`
`PredicatesHandler(HttpHandler next, boolean outerHandler)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`PredicatesHandler`	`addPredicatedHandler(PredicatedHandler handler)`
`PredicatesHandler`	`addPredicatedHandler(Predicate predicate, HandlerWrapper handlerWrapper)` Adds a new predicated handler.
`PredicatesHandler`	`addPredicatedHandler(Predicate predicate, HandlerWrapper handlerWrapper, HandlerWrapper elseBranch)` Adds a new predicated handler.
`HttpHandler`	`getNext()`
`void`	`handleRequest(HttpServerExchange exchange)` Handle the request.
`void`	`setNext(HttpHandler next)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail
- DONE
```
public static final AttachmentKey<Boolean> DONE
```
  static done marker. If this is attached to the exchange it will drop out immediately.
- RESTART
```
public static final AttachmentKey<Boolean> RESTART
```

Constructor Detail

PredicatesHandler

public PredicatesHandler(HttpHandler next)

PredicatesHandler

public PredicatesHandler(HttpHandler next,
                         boolean outerHandler)

Method Detail

handleRequest
```
public void handleRequest(HttpServerExchange exchange)
                   throws Exception
```
Description copied from interface: HttpHandler

Handle the request.

Specified by:

handleRequest in interface HttpHandler

Parameters:

exchange - the HTTP request/response exchange

Throws:

Exception

addPredicatedHandler

public PredicatesHandler addPredicatedHandler(Predicate predicate,
                                              HandlerWrapper handlerWrapper,
                                              HandlerWrapper elseBranch)

Adds a new predicated handler.

Parameters:: predicate -; handlerWrapper -

addPredicatedHandler

public PredicatesHandler addPredicatedHandler(Predicate predicate,
                                              HandlerWrapper handlerWrapper)

Adds a new predicated handler.

Parameters:: predicate -; handlerWrapper -

addPredicatedHandler

public PredicatesHandler addPredicatedHandler(PredicatedHandler handler)

setNext

public void setNext(HttpHandler next)

getNext
```
public HttpHandler getNext()
```

Class PredicatesHandler

Nested Class Summary

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

DONE

RESTART

Constructor Detail

PredicatesHandler

PredicatesHandler

Method Detail

handleRequest

addPredicatedHandler

addPredicatedHandler

addPredicatedHandler

setNext

getNext